Cita APA (7a ed.)

Gareis, S., & Fraser, T. (2012). The United Nations: An introduction (2nd ed.). Palgrave Macmillan.

Cita Chicago Style (17a ed.)

Gareis, Sven, y Trudy Fraser. The United Nations: An Introduction. 2nd ed. Houndsmills, Basingstoke [etc.]: Palgrave Macmillan, 2012.

Cita MLA (9a ed.)

Gareis, Sven, y Trudy Fraser. The United Nations: An Introduction. 2nd ed. Palgrave Macmillan, 2012.